If you went to your closet today, would you pull out the same outfit you wore 10 or 15 years ago? You wear feelings and faith differently as well.
People are going to come into your life that need you, and being there for them makes the day worth living. People are going to come into your life that you need, and that's the really crazy thing.
What might seem like a good idea to somebody at 21 is probably not going to seem like a good idea at 50, but you don't know that until you get there.
Get outside. Watch the sunrise. Watch the sunset. How does that make you feel? Does it make you feel big or tiny? Because there's something good about feeling both.